Midwest Industries MI Free Float Handguard, Full Length Weight: 17.1 oz. No Removal of Barrel or Front Sight for Installation. (Simply cut off the delta ring for a easy install. ) MIL-STD 1913 Rails. T-marked for Accessory Location. Constructed of 6061 Hard Coat Anodized for a Lifetime of Service. Uninterrupted or Monolithic Look Upper Rail. High Quality at an Affordable Price.